Sagittaria natans
Alismataceae
Alismataceae
Lives wild in China, Finland, Japan, Kazakhstan, Korea, Mongolia, Russia, and Sweden.
Sagittaria natans is a species of flowering aquatic plant in the water plantain family. It has floating leaves that are linear, heart-shaped or arrow-shaped. It is native to northern Europe and Asia and often cultivated elsewhere as an aquatic ornamental in aquaria and artificial ponds. It is widespread across much of the Russian Federation and reported also from Finland, Sweden, Mongolia, Japan, Korea, Kazakhstan and China (Heilongjiang, Jilin, Liaoning, Nei Mongol, Xinjiang). It grows in slow-moving and stagnant water bodies such as ponds and small streams.
Two aquariums from Southeast Asia: calm forest streams and peat swamps with soft, brown water, and fast mountain streams with cool, oxygen-rich water.
A coldwater aquarium with European fish and plants, without a heater. The water follows the seasons, and summer heat is the biggest problem.
Light, nutrients and CO₂ in balance, low tech versus high tech, and how to read from the leaves what your plants are missing.